The seam it is not production device null of the flexible non edge condition component or its non edge condition

摘要

PURPOSE: To obtain a seamless flexible endless member excellent in durability by molding a main layer having specified thickness, hardness and rear face roughness and a surface layer having specified thickness and surface roughness on its surface by nickel sulfamate electric casting method. ;CONSTITUTION: A seamless flexible endless member used for an organic photosensitive body, a sleeve for conveying a developing toner or the like is molded by a nickel sulfamate electric casting method. At that time, the substrate 2 of the same member is constitute of a main layer 6 having 20-40μm thickness, 400-500 hardness Hv and 0.05-0.3μm rear face roughness Rz and a surface layer 7 having 0.2-3μm thickness and 0.2-0.8μm surface roughness Rz in a diffuse reflecting face state formed on the surface. Thus, the member excellent in durability to deformation and capable of forming a good image is obtd. This member is obtd. by arranging a cylindrical master for electric casting having a fine rugged surface in an electric casting tank, arranging a cylindrical cathode case in its vicinity with a distance of about 10-50mm, feeding an electric casting soln. from the lower part while bubbling is executed and executing electric casting.;COPYRIGHT: (C)1995,JPO